linux-kernel - Re: [PATCH] KVM: fix kvm_mmu_memory

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Date: Thu, 22 Feb 2024 17:35:34 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>, 
	Marc Zyngier <maz@...nel.org>, David Matlack <dmatlack@...gle.com>, Arnd Bergmann <arnd@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>, Fuad Tabba <tabba@...gle.com>, Shaoqin Huang <shahuang@...hat.com>, 
	Chao Peng <chao.p.peng@...ux.intel.com>, kvm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: fix kvm_mmu_memory_cache allocation warning

On Mon, 12 Feb 2024 12:24:10 +0100, Arnd Bergmann wrote:
> gcc-14 notices that the arguments to kvmalloc_array() are mixed up:
> 
> arch/x86/kvm/../../../virt/kvm/kvm_main.c: In function '__kvm_mmu_topup_memory_cache':
> arch/x86/kvm/../../../virt/kvm/kvm_main.c:424:53: error: 'kvmalloc_array' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Werror=calloc-transposed-args]
>   424 |                 mc->objects = kvmalloc_array(sizeof(void *), capacity, gfp);
>       |                                                     ^~~~
> arch/x86/kvm/../../../virt/kvm/kvm_main.c:424:53: note: earlier argument should specify number of elements, later size of each element
> 
> [...]

Applied to kvm-x86 generic, so that this doesn't languish with everyone looking
at each other.

[1/1] KVM: fix kvm_mmu_memory_cache allocation warning
      https://github.com/kvm-x86/linux/commit/ea3689d9df50

--
https://github.com/kvm-x86/linux/tree/next